<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

</head>
<body>
    <script type="module">
        import {add,firstName} from './a.js';
        console.log(firstName)
        console.log(add(1, 2)); // 3
    </script>
</body>
</html>